What is Mary Anne Geskie's NPI number?

Mary Anne Geskie's National Provider Identifier (NPI) is 1861485583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Anne Geskie's specialty?

Mary Anne Geskie is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Mary Anne Geskie located?

Mary Anne Geskie's practice location on file with NPPES is 500 Montauk Hwy, West Islip, NY 11795-4418.

What is Mary Anne Geskie's phone number?

The practice phone number listed in the NPPES registry for Mary Anne Geskie is (631) 422-5952.

Is Mary Anne Geskie's NPI active?

Yes — Mary Anne Geskie's NPI (1861485583) is active in the NPPES registry as of the last update on 2010-08-13.

IndividualActive

Mary Anne Geskie, PH.D.

NPI 1861485583 · Clinical Psychologist · West Islip, NY

Mary Anne Geskie, PH.D. is a Clinical Psychologist provider in West Islip, NY (NPI 1861485583).

Provider details

NPI number: 1861485583
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Female
Sole proprietor: Yes
License: 008795 (NY)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 008795 (NY)
Behavioral Health & Social Service Providers
Adult Development & Aging Psychologist103TA0700XLicense 008795 (NY)
Behavioral Health & Social Service Providers
Cognitive & Behavioral Psychologist103TB0200XLicense 008795 (NY)
Behavioral Health & Social Service Providers
Clinical Child & Adolescent Psychologist103TC2200XLicense 008795 (NY)
Behavioral Health & Social Service Providers
Psychoanalysis Psychologist103TP0814XLicense 008795 (NY)
Behavioral Health & Social Service Providers
Psychologist103T00000X

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

500 Montauk Hwy

Suite Z

West Islip, NY 11795-4418

Phone: (631) 422-5952

Fax: (631) 472-1817

Street-level locationGet directions

More NY providers

Mailing address

7 Saltmeadow Ct

Bayport, NY 11705-2205

Enumerated: 2005-08-28
Last updated: 2010-08-13

Frequently asked questions

What is Mary Anne Geskie's NPI number?: Mary Anne Geskie's National Provider Identifier (NPI) is 1861485583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Anne Geskie's specialty?: Mary Anne Geskie is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
Where is Mary Anne Geskie located?: Mary Anne Geskie's practice location on file with NPPES is 500 Montauk Hwy, West Islip, NY 11795-4418.
What is Mary Anne Geskie's phone number?: The practice phone number listed in the NPPES registry for Mary Anne Geskie is (631) 422-5952.
Is Mary Anne Geskie's NPI active?: Yes — Mary Anne Geskie's NPI (1861485583) is active in the NPPES registry as of the last update on 2010-08-13.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.